611553262343 has 2 divisors, whose sum is σ = 611553262344. Its totient is φ = 611553262342.

The previous prime is 611553262319. The next prime is 611553262351. The reversal of 611553262343 is 343262355116.

611553262343 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 611553262343 - 2²⁴ = 611536485127 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 611553262343.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (611553262643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305776631171 + 305776631172.

It is an arithmetic number, because the mean of its divisors is an integer number (305776631172).

Almost surely, 2^611553262343 is an apocalyptic number.

611553262343 is a deficient number, since it is larger than the sum of its proper divisors (1).

611553262343 is an equidigital number, since it uses as much as digits as its factorization.

611553262343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 388800, while the sum is 41.

The spelling of 611553262343 in words is "six hundred eleven billion, five hundred fifty-three million, two hundred sixty-two thousand, three hundred forty-three".